K-Lathe Round Washer Head Self-Drilling Tek Screws are ideal for quickly joining metal to metal as well as fastening other non-metallic components to a suitable metal backing. The notched self-drilling Tek screw tip requires no pre-drilled pilot hole in metal so drilling and fastening operations can be performed in one step. The large Round Washer Head design is ideal for distributing the fastening load over a larger area for a more secure connection.
K-Lathe Head self-drilling screws are available in a case hardened steel with bright Zinc Chromate finish and also In a hardened grade 410 Stainless Steel which is ideal for protection against corrosion in more severe environments.